Convergent evolution occurs when
A) unrelated organisms develop analogous structures.
B) analogous structures evolve to be homologous.
C) two or more different species evolve to become one species.
D) two or more populations merge into one.
A
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Which of the following takes place as an ice cube cools a drink?
A) Molecular collisions in the drink increase. B) Kinetic energy in the liquid water decreases. C) A calorie of heat energy is transferred from the ice to the water of the drink. D) The specific heat of the water in the drink decreases. E) Evaporation of the water in the drink increases.
True or false: Using bacteriophage to fight a bacterial infection in humans would be unwise because the bacteriophage will also infect the human cells
A. true B. false
The solidifying agent used most successfully in bacterial nutrient media is
A. gelatin. B. peptone. C. agar. D. starch.
The liver is associated with all EXCEPT which
of the following functions? a. formation of urea b. formation of bile c. detoxification of poisons d. secretion of bicarbonate ions e. hormone inactivation